/*
 * Copyright 2006-2008 Michele Mostarda ( michele.mostarda@gmail.com ).
 * All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the 'License');
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an 'AS IS' BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.graphnav.swing;

import java.awt.AlphaComposite;
import java.awt.Graphics2D;

/**
 * Base class for any renderable entity.
 */
public abstract class AbstractRenderable implements Renderable, EditableRenderable {

    /**
     * Transparency level.
     */
    private float trasparency = 1.0f;

    public float getTrasparency() {
        return trasparency;
    }

    public void setTrasparency(float t) {
        trasparency = t;
    }

    /**
     * Creates a graphics with the specific trasparency.
     * 
     * @param g2d
     * @return
     */
    protected Graphics2D getGraphics2D(Graphics2D g2d) {
        g2d.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, trasparency));
        return g2d;
    }

}
